Reference Label	Details
note unc2	The originally quoted uncertainty appeared to be underestimated and was multiplied by a factor of 2 to come closer to the desired 95% confidence limit
Peterson 1998	K. A. Peterson, S. S. Xantheas, D. A. Dixon, and T. H. Dunning Jr., J. Phys. Chem. A 102, 2449-2454 (1998) Predicting the Proton Affinities of H2O and NH3